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Finding the Fourth Proportional to 384,246.63, 576,357.64 and 173,884.57

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Solution

The fourth proportional to 384,246.63, 576,357.64 and 173,884.57 is: 260,821.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,246.63 : 576,357.64 = 173,884.57 : x
  2. Step 2: Convert to fraction form
    384,246.63/576,357.64 = 173,884.57/x
  3. Step 3: Cross multiply
    384,246.63x = 576,357.64 × 173,884.57
  4. Step 4: Simplify right side
    384,246.63x = 100,219,698,522.01
  5. Step 5: Solve for x
    x = 100,219,698,522.01/384,246.63
  6. Step 6: Final answer
    x = 260,821.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.